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8090 [49]
3 years ago
5

How do you write the equation in point slope form given slope=8, passing through (4,-1)?

Mathematics
2 answers:
xxMikexx [17]3 years ago
8 0

Point slope form, y-y1 = m(x-x1)

Here, y1 = -1, x1 = 4, m=8

so, it would be: (y+1) = 8(x-4)

zlopas [31]3 years ago
7 0
Point slope for slope m and point (x1,y1) is Y-y1=m(x-x1) Slope given is8 and point is (4,-1) y+1=8(x-4)
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It takes one super giant pizza to feed three people if you invite 36 people how many peaches will you need
denis23 [38]
\bf \begin{array}{ccll}
\stackrel{super~duper}{pizza}&folks\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
1&3\\
p&36
\end{array}\implies \cfrac{1}{p}=\cfrac{3}{36}\implies \cfrac{1\cdot 36}{3}=p
8 0
3 years ago
A right △ABC is inscribed in circle k(O, r). Find the radius of this circle if:
natta225 [31]

We have been given that a right △ABC is inscribed in circle k(O, r).

m∠C = 90°, AC = 18 cm, m∠B = 30°. We are asked to find the radius of the circle.

First of all, we will draw a diagram that represent the given scenario.

We can see from the attached file that AB is diameter of circle O and it a hypotenuse of triangle ABC.

We will use sine to find side AB.

\text{sin}=\frac{\text{Opposite}}{\text{Hypotenuse}}

\text{sin}(30^{\circ})=\frac{AC}{AB}

\text{sin}(30^{\circ})=\frac{18}{AB}

AB=\frac{18}{\text{sin}(30^{\circ})}

AB=\frac{18}{0.5}

AB=36

Wee know that radius is half the diameter, so radius of given circle would be half of the 36 that is \frac{36}{2}=18.

Therefore, the radius of given circle would be 18 cm.

8 0
3 years ago
F. In what order should items weighing
olchik [2.2K]

Answer:

51 pounds, 48 pounds, 44 pounds and 40 pounds in that chronological order.

3 0
2 years ago
2x + 3y = 7 3x + 2y = 8
Kipish [7]

Answer:

\boxed{\sf \ \ \ x=2, \ \ y =1 \ \ \ }

Step-by-step explanation:

Hello,

Pls post the full question next time so that we can make sure what is expected.

I assume that you want to solve for (x,y)

   (1) 2x + 3y = 7

   (2) 3x + 2y = 8

2*(2)-3*(1) gives

2*3x + 2*2y - 3*2x - 3*3y = 2*8 - 3*7 = 16 - 21 = -5

6x - 6x + 4y -9y = -5

-5y=-5

y = 1

and we can replace in (1)

2x + 3*1 = 7

2x = 7 - 3 = 4

x = 2

hope this helps

7 0
3 years ago
Twelve different video games showing drugs were observed. The duration times of drugs were​ recorded, with the times​ (seconds)
Studentka2010 [4]

The answers to the questions are:

1. The confidence level is 99 percent.

2. We have to conclude that there is no sufficient evidence available to support this claim because the Confidence interval contains 75 sec.

<h3>How to solve for the confidence level</h3>

1. The confidence level here should be

1- 0.01 = 0.99

= 99 percent

Given that, 99% confidence interval for population mean (μ) is (-34.1 sec u< u < 264.1 ) seconds.

We are to test  the claim that the population mean is greater than 75 sec.

2.

The given confidence interval contains the value of 75 sec, so there is not sufficient evidence to support the claim that the mean is greater than 75 sec.

Read more on confidence interval here:

brainly.com/question/20309162

#SPJ1

4 0
1 year ago
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